To write an effective letter, follow these steps: 1. Include contact information such as your address, their address if formal, and the date. Greet the recipient by name or title. 2. In the first paragraph, state the purpose of writing and introduce yourself. Be polite and respectful in your tone. 3. The main section should have one or more paragraphs to fully explain your point(s) using facts, opinions, and connective words. Back up arguments with evidence. 4. The concluding paragraph should summarize the key points and overall message. Sign off with "Yours sincerely" or "Yours faithfully" depending on the level of familiarity. Proofread the